Product comparison · 2 optical disc drives

LG GH22NS40 optical disc drive Internal vs Samsung External DVD RW +/- Dual Layer Drive

11specifications compared
11differ
0identical
26known for one product only

Key differences

Internal
- GH22NS40 optical disc drive Internal:Yes
- External DVD RW +/- Dual Layer Drive:No
CD write speed
- GH22NS40 optical disc drive Internal:48x
- External DVD RW +/- Dual Layer Drive:24x
CD rewrite speed
- GH22NS40 optical disc drive Internal:32x
- External DVD RW +/- Dual Layer Drive:24x
DVD+R write speed
- GH22NS40 optical disc drive Internal:22x
- External DVD RW +/- Dual Layer Drive:4x
DVD-R write speed
- GH22NS40 optical disc drive Internal:22x
- External DVD RW +/- Dual Layer Drive:4x
DVD-RAM write speed
- GH22NS40 optical disc drive Internal:12x
- External DVD RW +/- Dual Layer Drive:5x
CD read speed
- GH22NS40 optical disc drive Internal:48x
- External DVD RW +/- Dual Layer Drive:24x
DVD+R read speed
- GH22NS40 optical disc drive Internal:16x
- External DVD RW +/- Dual Layer Drive:8x

Side by side

Differences highlightedShow differences only

Comparison of GH22NS40, External DVD RW +/- Dual Layer Drive
37 specifications	A LG GH22NS40 optical disc drive Internal Model GH22NS40 View product	B Samsung External DVD RW +/- Dual Layer Drive View product
Design1 differ
InternalDiffers	Yes	No
Disc loading typeKnown for one	Tray	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
Performanceidentical
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
Writing speed5 differ
CD write speedDiffers	48x	24x
CD rewrite speedDiffers	32x	24x
DVD+R Double Layer write speedKnown for one	16x	Unknown — not stated by the source
DVD+R write speedDiffers	22x	4x
DVD+RW write speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	16x	Unknown — not stated by the source
DVD-R write speedDiffers	22x	4x
DVD-RAM write speedDiffers	12x	5x
DVD-RW write speedKnown for one	6x	Unknown — not stated by the source
Reading speed4 differ
CD read speedDiffers	48x	24x
CD-RW read speedKnown for one	40x	Unknown — not stated by the source
DVD+R read speedDiffers	16x	8x
DVD-R Double Layer read speedKnown for one	12x	Unknown — not stated by the source
DVD-R read speedDiffers	16x	8x
DVD-RAM read speedKnown for one	12x	Unknown — not stated by the source
DVD-ROM read speedKnown for one	16x	Unknown — not stated by the source
DVD-RW read speedDiffers	12x	6x
DVD+R Double Layer read speedKnown for one	12x	Unknown — not stated by the source
DVD+RW read speedKnown for one	Unknown — not stated by the source	6x
Access timeidentical
DVD drive average random access timeKnown for one	145 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	120 ms	Unknown — not stated by the source
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Multi sessionKnown for one	Yes	Unknown — not stated by the source
Session-at-once (SAO)Known for one	Yes	Unknown — not stated by the source
Track-at-once (TAO)Known for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	750 g	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	9.5 mm
Packaging content1 differ
Bundled softwareDiffers	Nero Express In CD PowerDVD PowerProducer Gold	CyberLink DVD suite
Other featuresidentical
Power requirementsKnown for one	+12V/+5V DC	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	146 x 170 x 41.3 mm	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 2000, Windows ME, Windows Vista, Windows XP	Unknown — not stated by the source
Technical featuresKnown for one	Unknown — not stated by the source	RPC+II

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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